Definition of lavabo in US English:



  • 1A towel or basin used during the performance of the lavabo.

    1. 1.1 (in the Roman Catholic Church) the ritual washing of the celebrant's hands at the offertory of the Mass.
      basin, washbasin, handbasin, wash-hand basin
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  • 2A washing trough in a monastery.

    1. 2.1dated A washbasin.


Mid 18th century: from Latin, literally ‘I will wash’, in Lavabo inter innocentes manus meas ‘I will wash my hands in innocence’ (Ps. 26:6), which was recited at the washing of hands in the Roman rite.